According to its Pokédex entry, it evolves into Roselia when certain conditions are met, and then Roselia can evolve into Roserade when exposed to a Shiny Stone.

One of the trickiest Pokemon evolutions to complete in Pokemon Brilliant Diamond & Shining Pearl is the one that takes a lowly Budew into the formidable rose-flaunting Roserade. This requires you to ...

Pokemon Legends: Arceus is a celebration of the history of Pokemon and it adds a bunch of new and old Pokemon, like Budew, Roselia and their evolved form, Roserade into the game. The title introduces ...